A maritime launching apparatus includes a control unit, at least one hi gh-pressure gas bottle which receives control signal from said control unit, at least two inflatable barrels which connect with said high-pressure gas bottle, and at least two nets being extendable when said inflatable barrel is inflated. Said control unit can inflate said inflatable barrel at a predetermined time or depth, and extend said nets under water to achieve a predetermined goal.一種海用投擲包,其主要是包括了一個控制單元、至少一個接受來自控制單元控制的高壓氣瓶、至少二個和該高壓氣瓶相連接的充氣筒,以及至少二個可在充氣筒充滿氣時張開的張力網。該控制單元係可在預定的時間或預定的深度處控制高壓氣瓶開始對充氣筒進行充氣動作,而當該充氣筒開始充氣時,可在海中將張力網推展出去,以達成預定的目的。1‧‧‧控制單元2‧‧‧高壓氣瓶21‧‧‧連結裝置211‧‧‧氣嘴3‧‧‧充氣筒
